Hi All,
Just trying to move from a first generation lightpack to another system.
I acquire 5m of ws2813b and followed a lot of tutorials.
Result is, that the leds are blinking 1 sec when I connect them to the supply and then nothing more...
Can someone help me 
Did you install Hyperion yet?
Also, make sure that the wiring is connected on the corrected side. Meaning, the 4 wires coming from the LED strip to the controller is beginning in the correct direction.
Hi Frenchman,
been there, i can confirm that hyperion is not working correctly with WS2812.After a long journey of testing, i verified that the LEDS are correctly connected by testing it via
https://github.com/jgarff/rpi_ws281x.
It seems like it is currently not possible to drive WS2812 directly via raspberry GPIO pins. There is another thread here somewhere discussing that problem too.
I had some spare ESP8266 microcontroller laying around and was able to fix fixed this problem with it. After installing adalight onto it (https://github.com/dmadison/Adalight-FastLED), connecting it via USB to the raspberry, and the LEDS to the controller, now everything is working fine for me.
Btw, i just registered to give you this information 
It seems like it is currently not possible to drive WS2812 directly via raspberry GPIO pins.
This is true, but I use a ws2813b cable with a 74hct125 level shifter, works fine. a ws2818b would also work with this
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